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2 x 100W Class D Bluetooth Audio Amplifier Board - TSA7498

2 x 100W Class D Bluetooth Audio Amplifier Board - TSA7498

This is a 2x100W audio amplifier board with AudioB plus Bluetooth module. It's integrated ST high performance TDA7498 which support dual channel audio amplification. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V* power supply. It have a smart cooling system, the fan not working in normal case to reduce the noise. Only start when the chip temperature > 65°C.

It's perfect for your Hi-Fi application, the audio source can be RCA input or Bluetooth. Compatible with all Bluetooth devices that support media audio, including iPhone,Android. Let your smartphone paired with this board, play a music. So easy!


 

Note: We had tested it. It also works well with 12VDC power. But we suggest use DC14V-39V power if possible.

 

Specification:

Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of ST’s TDA7498 chip.

TA = 25 °C, fIN = 1 kHz sine wave, RL= 6Ω, VCC = 36V. (Unless otherwise stated)

Parameter

Condition

Min

Typ

Max

Supply Voltage (v)

-

14

36

40

Quiescent Current (mA)

FAN ON,STBY Disable

-

90

-

FAN ON,STBY Enable

-

50

-

FAN OFF,STBY Disable

-

40

 

FAN OFF,STBY Enable

 

10

 

Input Sensitivity (mV)

25.6dB

-

1356

-

31.6dB

696

35.1dB

460

37.6dB

341

Input Impedance (Kohm)

-

48

60

-

Gain (dB)

GAIN0 = L, GAIN1 = L

24.6

25.6

26.6

GAIN0 = L, GAIN1 = H

30.6

31.6

32.6

GAIN0 = H, GAIN1 = L

34.1

35.1

36.1

GAIN0 = H, GAIN1 = H

36.6

37.6

38.6

Output Power (W rms)

THD = 10%

-

100

-

Efficiency (%)

Both channels output rating power.

-

>90

-

Minimum Load (ohm)

-

-

6

-

Frequency Response (dB)

±3dB

20

-

22k

Operating Temperature (℃)

-

0

20

50

 

Features:

  • Size: 12cm x 8cm
  • Smart cooling system
  • Bluetooth 4.0
  • External mute control port
  • Working voltage: DC14V-39V
  • Over/under voltage protection
  • Over current protection
  • Over temperature protection

 

Applications:

  • Personal computer
  • Background music system
  • Musical instrument amplifiers
  • Home DIY
  • Car audio

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  • Product Code: TSA7498
  • Availability: In Stock
  • KES 4,300.00
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